Worksheet Chapter 10: Space Exploration

1. Fill in the blank: The model of the Solar System which places the Sun at the center and planets revolving around it is known as the ____________ model.

2. State two major advantages of space telescopes (e.g., James Webb Space Telescope) compared to ground-based optical telescopes.

3. True or False: Claudius Ptolemy proposed that planets orbit around the Sun in elliptical paths.

4. Which astronomer invented the reflecting optical telescope using concave mirrors to reduce chromatic aberration?

5. State the technology that gathers information about Earth's surface features from distant satellite sensors without physical contact.

6. State the main roles played by the following space technology instruments: (a) Rocket (b) Space Station (c) Space Probe

7. True or False: Space probes carry human astronaut crews to perform physical soil collection on distant gas giant planets like Jupiter.

8. Differentiate between the Geocentric Model and the Heliocentric Model of the Solar System.

9. Space exploration drives technological innovation but also presents significant challenges. (a) Define what is meant by 'space debris'. (b) Explain why space debris poses a severe hazard to future space missions. (c) Suggest two measures space agencies can take to mitigate the risk of space debris.

10. State three practical applications of remote sensing satellite technology in human life on Earth.